[Hexagon] Add more lit tests

llvm-svn: 327271

1 files changed, 48 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/Hexagon/const-combine.ll b/llvm/test/CodeGen/Hexagon/const-combine.ll
new file mode 100644
index 00000000000..90756f1c407
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/const-combine.ll
@@ -0,0 +1,48 @@
+; RUN: llc -march=hexagon -disable-const64=1 < %s | FileCheck %s
+; CHECK: combine(##4917,#88)
+
+target triple = "hexagon"
+
+%s.1 = type { %s.2 }
+%s.2 = type { i32, i8* }
+
+@g0 = internal constant [61 x i8] c"............................................................\00", align 4
+@g1 = internal constant %s.1 { %s.2 { i32 8, i8* getelementptr inbounds ([61 x i8], [61 x i8]* @g0, i32 0, i32 0) } }, align 4
+
+define void @f0(i32 %a0) local_unnamed_addr #0 {
+b0:
+  %v0 = alloca i8*, align 4
+  store i8* null, i8** %v0, align 4, !tbaa !0
+  call void @f1(i32 88, i16 zeroext 4917, i8** nonnull %v0) #0
+  %v1 = load i8*, i8** %v0, align 4, !tbaa !0
+  %v2 = icmp eq i8* %v1, null
+  br i1 %v2, label %b1, label %b2
+
+b1:                                               ; preds = %b0
+  call void @f2(%s.1* nonnull @g1) #0
+  br label %b3
+
+b2:                                               ; preds = %b0
+  %v3 = call i32 @f3(i8 zeroext 22, i8* null, i8* nonnull %v1, i16 zeroext 88) #0
+  %v4 = load i8*, i8** %v0, align 4, !tbaa !0
+  call void @f4(i8* %v4, i32 88) #0
+  br label %b3
+
+b3:                                               ; preds = %b2, %b1
+  ret void
+}
+
+declare void @f1(i32, i16 zeroext, i8**) local_unnamed_addr
+
+declare void @f2(%s.1*) local_unnamed_addr
+
+declare i32 @f3(i8 zeroext, i8*, i8*, i16 zeroext) local_unnamed_addr
+
+declare void @f4(i8*, i32) local_unnamed_addr
+
+attributes #0 = { nounwind optsize }
+
+!0 = !{!1, !1, i64 0}
+!1 = !{!"any pointer", !2}
+!2 = !{!"omnipotent char", !3}
+!3 = !{!"Simple C/C++ TBAA"}